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Use slightly different Windows file functions. 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3910 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Nolan Check 2009-07-30 22:30:30 +00:00
parent 8ab4814d73
commit 48365b5daa
1 changed files with 10 additions and 13 deletions
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21
Source/Core/DiscIO/Src/FileBlob.cpp
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@ -32,9 +32,7 @@ namespace DiscIO
PlainFileReader::PlainFileReader(HANDLE hFile_) PlainFileReader::PlainFileReader(HANDLE hFile_)
{ {
hFile = hFile_; hFile = hFile_;
DWORD size_low, size_high; GetFileSizeEx(hFile, (PLARGE_INTEGER)&size);
size_low = GetFileSize(hFile, &size_high);
size = ((u64)size_low) | ((u64)size_high << 32);
} }
PlainFileReader* PlainFileReader::Create(const char* filename) PlainFileReader* PlainFileReader::Create(const char* filename)
@ -55,16 +53,15 @@ PlainFileReader::~PlainFileReader()
bool PlainFileReader::Read(u64 offset, u64 nbytes, u8* out_ptr) bool PlainFileReader::Read(u64 offset, u64 nbytes, u8* out_ptr)
{ {
LONG offset_high = (LONG)(offset >> 32); if (!SetFilePointerEx(hFile, *(LARGE_INTEGER*)&offset, NULL, FILE_BEGIN))
SetFilePointer(hFile, (DWORD)(offset & 0xFFFFFFFF), &offset_high, FILE_BEGIN);
if (nbytes >= 0x100000000ULL)
return false; // WTF, does windows really have this limitation?
DWORD unused = 0;
if (!ReadFile(hFile, out_ptr, DWORD(nbytes & 0xFFFFFFFF), &unused, NULL))
return false; return false;
else
DWORD bytesRead = 0;
if (!ReadFile(hFile, out_ptr, (DWORD)nbytes, &bytesRead, NULL))
return false;
if (bytesRead != nbytes)
return false;
return true; return true;
} }